Re: Multi-user demo

[Albert Abello]

Well, from first sight dont know exactly how it is supposed to work... maybe like a chat/video thing but cannot manage to see the users there.

BTW, seems promising.

Cheers

El martes, 31 de julio de 2012 21:54:09 UTC+3, Dennis Mårtensson escribió:

Hey,

A couple friends and I built a multi-user webrtc demo, You can have a look at the demo on http://multiwebrtc.nodejitsu.com/ and if you want to see the code for the site, you can find it here https://github.com/dennismartensson/webrtc.io-demo

For the client: https://github.com/sarenji/webrtc.io-client

for the server: https://github.com/cavedweller/webRTC.io

let us know what you think,

Dennis

[Dennis Mårtensson]

Hi,

The peers are connected automatically so if you do only see your video thats because no one else is on the site, In that case open the page in a new tab and you will be connected with you self and can see your own video, When users join the will show up automatically.

Please do not hesitate to send questions me way,

/Dennis 

[Serge Lachapelle]

I tested it with my colleagues. Neat!

/Serge

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[Scott Haynes]

Cool, does anyone have two webcams?  Can you test connecting to this site twice, and selecting each of the webcams?

Scott

[Scott Haynes]

Sorry the one webcam was connected through a USB hub, and that was causing the problem.

Scott 

[asmcos he]

Dennis:

The demo can support one to many? multicast?

2012/8/1 Dennis Mårtensson <m...@dennis.is>

[Dennis Mårtensson]

Hi Asmcos:

This demo works by creating one peerconnection to ever client on the site, There is a small node.js server running to distribute the connections that are on the site when you connect.

[javier cerviño]

Hi Dennis,

If you want your demo to support one-to-many rooms you can use our
free MCU (the code is at https://github.com/ging/erizo).

We have also a demo using it: http://chotis2.dit.upm.es/

Cheers,

Javier.

> --
>
>
>

[Mamadou]

I was checking your source code but cannot find an audio/video mixer, RTCP manager... in your  MCU.
Are you simulcasting the stream?

[Pedro Rodriguez]

Hi

You are right, we are working on the mixers but they are not ready yet. Right now we are only broadcasting each stream from the MCU to all the participants of each room.

We also only support RTCP FIR packets to ask for keyframes. We'll progressively add RTCP when we have the basics working.

The example code is old and does not work right now but the code should give you an impression on what we are doing.

-- 

Pedro Rodriguez

--
 
 
 

[Dennis Mårtensson]

There are some updates to the demo and the project today.

We have made the part that abstracts away from webRTC installable over npm you do "npm install webrtc.io" and use the demo to see how you can use it.

We got this request https://github.com/cavedweller/webRTC.io/issues/1 so we added it to the demo.

The feature are that you now can have rooms, So you can go http://multiwebrtc.nodejitsu.com/#test and you will only connect to the peers that are in that room, You can create your own rooms by just going to the http://multiwebrtc.nodejitsu.com/#<room you want>, There is also a button to create a random room. 

Please come with feedback and please try to build an app with the webrtc.io and come back with feedback!

Grate to see that some people are trying the site

/Dennis

[Mamadou]

Great!
Tried with 4 users and got more than 10s delay, audio/video are not
synchronized, CPU=100% (Intel Core Duo 2GHz).
You should instead develop an audio/video mixer if you want a viable
solution.

On Aug 3, 1:05 am, Dennis Mårtensson <m...@dennis.is> wrote:
> There are some updates to the demo and the project today.
>
> We have made the part that abstracts away from webRTC installable over npm
> you do "npm install webrtc.io" and use the demo to see how you can use it.
>

> We got this requesthttps://github.com/cavedweller/webRTC.io/issues/1so we

> added it to the demo.
>
> The feature are that you now can have rooms, So you can

> gohttp://multiwebrtc.nodejitsu.com/#testand you will only connect to the

> peers that are in that room, You can create your own rooms by just going to

> thehttp://multiwebrtc.nodejitsu.com/#<room you want>, There is also a

> button to create a random room.
>
> Please come with feedback and please try to build an app with the webrtc.io
> and come back with feedback!
>
> Grate to see that some people are trying the site
>
> /Dennis
>
> Den torsdagen den 2:e augusti 2012 kl. 05:48:39 UTC-4 skrev Pedro Rodriguez:
>
>
>
>
>
>
>
>
>
> > Hi
>
> > You are right, we are working on the mixers but they are not ready yet.
> > Right now we are only broadcasting each stream from the MCU to all the
> > participants of each room.
> > We also only support RTCP FIR packets to ask for keyframes. We'll
> > progressively add RTCP when we have the basics working.
>
> > The example code is old and does not work right now but the code should
> > give you an impression on what we are doing.
>
> > --
> > Pedro Rodriguez
>
> > El jueves 2 de agosto de 2012 a las 11:33, Mamadou escribió:
>
> > I was checking your source code but cannot find an audio/video mixer, RTCP
> > manager... in your  MCU.
> > Are you simulcasting the stream?
>
> > On Thursday, August 2, 2012 10:02:21 AM UTC+2, Javier Cerviño wrote:
>
> > Hi Dennis,
>
> > If you want your demo to support one-to-many rooms you can use our

> > free MCU (the code is athttps://github.com/ging/erizo).

>
> > We have also a demo using it:http://chotis2.dit.upm.es/
>
> > Cheers,
>
> > Javier.
>
> > On 2 August 2012 06:48, Dennis Mårtensson <m...@dennis.is> wrote:
> > > Hi Asmcos:
>
> > > This demo works by creating one peerconnection to ever client on the
> > site,
> > > There is a small node.js server running to distribute the connections
> > that
> > > are on the site when you connect.
>
> > > Den onsdagen den 1:e augusti 2012 kl. 23:31:22 UTC-4 skrev asmcos:
>
> > >> Dennis:
>
> > >> The demo can support one to many? multicast?
>
> > >> 2012/8/1 Dennis Mårtensson <m...@dennis.is>
>
> > >>> Hey,
>
> > >>> A couple friends and I built a multi-user webrtc demo, You can have a

> > >>> look at the demo onhttp://multiwebrtc.nodejitsu.com/and if you want

[Dennis Mårtensson]

Hi,

If no one is on the site or in the same room you will only see your self, If this is the case you can open a new tab and go to the same site/room or you have to ask some one to connect to the site/room. 

/Dennis

Den torsdagen den 2:e augusti 2012 kl. 23:08:56 UTC-4 skrev Nguyễn Viên:

hi all,
It not work. Only the screen with my WCam, nobody connected.
I am using Chrome canary v 22.xxx
Help me plz!
Thanks!


Vào 01:54:09 UTC+7 Thứ tư, ngày 01 tháng tám năm 2012, Dennis Mårtensson đã viết:

Hey,

A couple friends and I built a multi-user webrtc demo, You can have a look at the demo on http://multiwebrtc.nodejitsu.com/ and if you want to see the code for the site, you can find it here https://github.com/dennismartensson/webrtc.io-demo

[Dennis Mårtensson]

Hi,

There have been some updates to the code today, We have updated the instructions on how to use it and fixed some bugs, We  would really like people to try to build a webRTC application with the library that we have created. 

If you are interested in trying it out, please go to https://github.com/cavedweller/webRTC.io and follow the instructions.

We'd like all the feedback we can get from you!

We have a post up on hacker news too:

http://news.ycombinator.com/item?id=4336081

[Dennis Mårtensson]

Hi,

We have moved the code to one place on github https://github.com/webRTC 

Did anyone test to setup webRTC.io  and build some thing? We really like to get some feedback!

Please if you test it out or cant get it to work contact me.

Thank you 

/Dennis Mårtensson

[Mamadou]

I've tested it and provided a feedback (comment 13) but you haven't
responded.

On Aug 6, 6:22 pm, Dennis Mårtensson <m...@dennis.is> wrote:
> Hi,
>

> We have moved the code to one place on githubhttps://github.com/webRTC

>
> Did anyone test to setup webRTC.io  and build some thing? We really like to
> get some feedback!
>
> Please if you test it out or cant get it to work contact me.
>
> Thank you
>
> /Dennis Mårtensson
>
> Den fredagen den 3:e augusti 2012 kl. 16:52:00 UTC-4 skrev Dennis
> Mårtensson:
>
>
>
>
>
>
>
>
>
> > Hi,
>
> > There have been some updates to the code today, We have updated the
> > instructions on how to use it and fixed some bugs, We  would really like
> > people to try to build a webRTC application with the library that we have
> > created.
>
> > If you are interested in trying it out, please go to

> >https://github.com/cavedweller/webRTC.ioand follow the instructions.

>
> > We'd like all the feedback we can get from you!
>
> > We have a post up on hacker news too:
>
> >http://news.ycombinator.com/item?id=4336081
>
> > Den fredagen den 3:e augusti 2012 kl. 08:55:04 UTC-4 skrev Dennis
> > Mårtensson:
>
> >> Hi,
>
> >> If no one is on the site or in the same room you will only see your self,
> >> If this is the case you can open a new tab and go to the same site/room or
> >> you have to ask some one to connect to the site/room.
>
> >> /Dennis
>
> >> Den torsdagen den 2:e augusti 2012 kl. 23:08:56 UTC-4 skrev Nguyễn Viên:
>
> >>> hi all,
> >>> It not work. Only the screen with my WCam, nobody connected.
> >>> I am using Chrome canary v 22.xxx
> >>> Help me plz!
> >>> Thanks!
>
> >>> Vào 01:54:09 UTC+7 Thứ tư, ngày 01 tháng tám năm 2012, Dennis Mårtensson
> >>> đã viết:
>
> >>>> Hey,
>
> >>>> A couple friends and I built a multi-user webrtc demo, You can have a

> >>>> look at the demo onhttp://multiwebrtc.nodejitsu.com/and if you want

[Dennis Mårtensson]

Hi Mamadou,

I did mise that, Sorry!

I have notest this to, I dont think that we are at a place in the developing of the library that we will spend to much time on this problem right now. We are trying to make a good api and will after that try to fix problems like this.

Thank you for sharing this.

Please come whit more feedback if you have. 

Regards Dennis

"Great! 

Tried with 4 users and got more than 10s delay, audio/video are not 
synchronized, CPU=100% (Intel Core Duo 2GHz). 
You should instead develop an audio/video mixer if you want a viable 
solution."

[Mauricio Porto]

Hi,

I tested it and it works great!

Now I'm trying to run it on my own server, in a private LAN (home network).

However, the devices are not being able to find each other, in spite of working well if I open two browser tabs in the same machine where the server runs (localhost).

I saw that the server.js us using port 8000 for localhost testing.

How should I set up things in order to run it on this configuration? Is it possible? Maybe the use of the STUN server inside a private LAN is not possible, I don't know.

If I use an external server, say one hosted at amazon, I should I set up things?

Thank you.

--
 
 
 

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[Dennis Mårtensson]

Hi,

I tested it and it works great!

 

Happy to hear that you liked it

Now I'm trying to run it on my own server, in a private LAN (home network).

Are you tying to use the demo or have you built your own thing with the webRTC.io library?

 

However, the devices are not being able to find each other, in spite of working well if I open two browser tabs in the same machine where the server runs (localhost).

I saw that the server.js us using port 8000 for localhost testing.

How should I set up things in order to run it on this configuration? Is it possible? Maybe the use of the STUN server inside a private LAN is not possible, I don't know.

It is posible to run it on a local network. But remember that you can only access localhost on the computer where its running if you want to use it from different computers you will have to chance the ip's.

So Line 165 of index.html change from rtc.connect("http://localhost:8000/", room) to

rtc.connect("http://YOUR IP/:YOUR PORT", room); and make sure that the server.js line 10 are app.listen(YOUR PORT);

If I use an external server, say one hosted at amazon, I should I set up things?

If you want to use a amazon one you will have to start out by setting that machin up for running a node.js server and then you have to configure the addresses and port so that they point to the server that you have setup.

Did this help you?

Thank you for trying it out

/Dennis

[Mauricio Porto]

Hi Dennis,

Thank you, four your prompt response.

I am trying to use your demo code (labeled dennismartensson-webrtc.io-demo-6bfef44) . This is my first step. After that I will try with some small changes as a way to learn more about WebRTC.

Yes, I know that localhost is an alias to 127.0.01 and I need to use the IP address in the other machine. I did it. In fact I used the IP address (192.168.1.6) on both. Even this, it was not able to connect to each other.

I am using Google Chrome 21.xxx on both, and these are Linux boxes.

I do not know if I should change something in the code. The server.js refers to the port 8000 as I said and the reference to the port 80 is commented out. Is this port 8000 in anyway bound to another part of the WebRTC.io code?

Right now I am running it on this chrome browser (two tabs) and it works fine (using http://192.168.1.11:8000/#4). I mean, both tabs shows up the two camera frames.

However, when I try to open the same IP addres on the other machine, all I see is the local camera.

Any light?

Thank you again.

[Dennis Mårtensson]

Hi,

Its hard to say with out any logs logs or the java script prompt, My guess are that the socket.io is not served correctly to the client on the other matchin. 

If you right klick on the page and open the inspect elements and selects the console do you see any filed to load resource?

We have actual rewritten webRTC.io to not use socket.io and use only websockets. You find this code in the branch websocket over on github https://github.com/webRTC

I recommend you to use this code instead the documentation on it is not good right no... But I will work on that tomorrow and we will merge the websocket version in to the master branch.

Please let me know if you have more questions.

/Dennis

[Srikar]

Hi Mauricio/ Dennis,

I too am trying to get this running on a LAN. No luck yet. 

I am confused a bit on the hirearchy. webrtc.io-demo 'requires' webrtc.io which inturn 'requires' webrtc.io-client. Right now I am stuck at "window" not defined "window.PeerConnection" in webrtc.io-client. Please help me if it is something trivial that I am missing.

Mauricio: webrtc.io uses "STUN stun.l.google.com:19302" for PeerConnection and my guess is we cannot run this on a entirely detached LAN. Not sure if that is the cause for your single-window. 

Looking forward to knowing your progress. 

Thx/Srikar.

[Dennis Mårtensson]

Hi Srikar,

"window" not defined "window.PeerConnection" in webrtc.io-client" 

What browser are you using? does it support peerConnections? If you are using any chrome version make sure to turn on the peerconection flag in chrome://flags

"Mauricio: webrtc.io uses "STUN stun.l.google.com:19302" for PeerConnection and my guess is we cannot run this on a entirely detached LAN. Not sure if that is the cause for your single-window. "

You can not contact the stun.google.com:19302 STUN server if you do not have a internet connection. I have never tried to use webRTC.io on an entirely detached LAN but my guess is that you will have to run your own STUN server in the network and set the STUN server with 

rtc.SERVER =  "YOUR LOCAL STUN SERVER" 

/Dennis

[Dennis Mårtensson]

Hi,

We have released a new version of webRTC.io, it no longer has a dependency on socket.io and now works over normal Websockets!

You find the code over at https://github.com/webRTC

and the demo http://bit.ly/webrtcio we have moved it to an ec2 instance. 

Please send us your feedback and questions

/Dennis

[Srikar]

Hi Dennis,

Sorry. May be I did not put my question with right context. The "window" error that I got was on 'node' side and not on browser side. Obviously, my server environment was not good and so I saw this error.

Today, I have downloaded/installed the latest version and the demo works fine for localhost. Will try to test it with 2+ end-points on a LAN.

My second question was - If I run node and browser on LAN without internet or local-STUN-server, what will be the behaviour? Will it be single(local) video-frame similar to what Mauricio is observing?

Thx/Srikar.

[Dennis Mårtensson]

Hi Srikar,

Good that you got the new version to work!

I have only tested with my internet turn of and I do not get  connection even over localhost. 

Part of what the STUN server do is that it send the IP of the peer asking back to it and then the peer shares that to the peer it wants to connect to. 

I hope that this very brief explanation helps you out some to get your question asked. 

Can I ask way you want to use it on a network with no internet? Internal communication of same sort?

/Dennis

[Dennis Mårtensson]

Hi Shimi,

I am very sorry but it seams like a bad commit made it in to the git repository. I have now fixt this and if you take out the the https://github.com/webRTC/webrtc.io-demo and do as the instructions say I think it will work fine for your.

If you want to use the demo on a different matchin then the localhost remember to chance the address on line 171 rtc.connect("ws://localhost:8000/", room); to the IP and port of the computer where the server is running.

Please send your feedback to me and any questions.

/Dennis

Den måndagen den 13:e augusti 2012 kl. 18:02:56 UTC-4 skrev Shimi Carmeli:

Hi Dennis,

My name is Shimi Carmeli and let me first say WELL DONE! on the demo and your work.
I'm trying to run this demo locally on my server - meaning I'm using your client code and server.js code (after of course followed and installing webrtc.io and all other dependencies).

When launching the client from 1 browser the camera/video is presented. But I open another tab and launch the same page I don't see another video.
the same result is when I'm browsing from another machine.

I'm not sure what I'm doing wrong - I'll be glad to your help (maybe exact instructions what to put in client side' what to put in the server).

BTW,

I'm using chrome build 22,and the webserver for the client pages is a different machine than the node.js.


Thanks in advanced,
Shimi Carmeli
thes...@gmail.com
972 54 6486418

[Shimi Carmeli]

Hi Dennis,

I tried the new code and it is still not working - I can only see my camera.
I have a separate client and server machines - can you maybe give step by step instructions on how to raise such a setup?

Thanks,
Shimi

[Dennis Mårtensson]

Hi Shimi, 

I do recommend you to pull the latest code from the demo repository.

If you want to use the demo on a different matchin then the localhost remember to chance the address on line 171 rtc.connect("ws://localhost:8000/", room); to the IP and port of the computer where the server is running.

/Dennis

[Shimi Carmeli]

Hi Dennis,

I did pulled the latest code from the demo site.

[Dennis Mårtensson]

Hi,

Have you chanced the address as i describe and do you have the chrome:/flags peerConnection enabled?

I like to help you but you will have to give me some more info about the problem?

Can you give me some logs and a more clear description of the problem what works what do not work?

/Dennis

[Shimi Carmeli]

yes, I've changed the address and enabled the peer connection at chrome://flags.

I do no have any logs- because there is no error at the console.actually no input at all.

when I launch the page I can see my self via camera.
but when I try to launch this page from another tab or another browser, I just see my self again without the other (remote) video.
this the problem. I hope I was clear.

Thanks a lot,
Shimi

--
 
 
 

[Dennis Mårtensson]

Hi can you join #webrtc.io on freenode in IRC and I will help you live?

/Dennis

[Mauricio Porto]

Hi,

I am rushing at work with no time to go further on this tests right now but I will back to this ASAP.

And as soon I have some results I will let you know.

Regards,

Mauricio

--
 
 
 

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[Mauricio Porto]

Hi Dennis,

Right now I am running your demo version at ec2 instance (IP address http://107.20.223.140/) and it is working fine.

I would like to run the server in my own ec2 instance but I am not being able to succeed. I am facing the same problem before: just one (the local) camera window.

I updated the demo code (https://github.com/webRTC/webrtc.io-demo). Is this enough? Should I use anything else?

Could you please tell me how did you set up your ec2 server in order to succeed?

The ec2 I am using is http://ec2-50-16-51-32.compute-1.amazonaws.com:8000/

Thanks.

[Dennis Mårtensson]

Hi Mauricio,

So there is some thinks you will have to do to set the ec2 instans up.

1. Request a static IP for your ec2.

2. Make sure that you have the right ports open for the instans.

3. Make sure to have the latest code. 

4. Make sure to have the latest npm install webrtc.io

5. Chance the app.listen(8000) on line 2 in example/server.js to app.listen(<THE PORT YOU WHANT>) THIS PORT HAVE TO BE OPEN IN STEP 2!!! (if port 80 make sure to run with sude)

6. Chance the example/index.html rtc.connect("ws://localhost:8000/", room); to rtc.connect("ws://<STATIC IP>:<THE PORT YOU WHANT>/", room);

7. Start the server. IF PORT 80 RUN SUDE, MAKE THE SERVER A LONG RUNING PROCES IF YOU WHANT THE SERVER TO CONTINU RUNING AFTER YOU QUIT THE SSH SESION

8. Make sure that there is no error's on start of the server. IF THERE IS ERRORS DO NOT CONTINUE UNTILE YOU SOLVED THE PROBLEMS!

9. Go to the IP address in chrome.

10. Make sure that all the files are responded correctly from your server. YOU DO CHEACK THIS WITH RIGHT CLICK INSPECT ELEMENT AND THEN CONSOLE OR NETWORK TAB YOU CAN SEE THE PROBLEM IN BOTH. IF THE IS ANY 404 FIXE THE PROBLEM

11. You now have a ec2 with the demo

Why do you want to run the demo on your ec2? Have you tried to build any thing with webRTC.io?

I hope this helps you if not I am very often on webrtc.io on freenode and can help you live.

/Dennis

[Mauricio Porto]

Hi Dennis,

I got the following error when trying to install webRTC.io (downloaded as zip from commit version fe734aade9):

npm http GET https://registry.npmjs.org/webRTC.io

npm http 404 https://registry.npmjs.org/webRTC.io

npm ERR! 404 'webRTC.io' is not in the npm registry.

npm ERR! 404 You should bug the author to publish it

npm ERR! 404 

npm ERR! 404 Note that you can also install from a

npm ERR! 404 tarball, folder, or http url, or git url.

npm ERR! System Linux 2.6.35-24-virtual

npm ERR! command "nodejs" "/usr/bin/npm" "install" "webRTC.io"

npm ERR! cwd /home/ubuntu/WebRTC/webRTC-webRTC.io-fe734aa

npm ERR! node -v v0.8.5

npm ERR! npm -v 1.1.46

npm ERR! code E404

npm ERR! 

npm ERR! Additional logging details can be found in:

npm ERR!     /home/ubuntu/WebRTC/webRTC-webRTC.io-fe734aa/npm-debug.log

npm ERR! not ok code 0

Attached is the npm-debug.log file.

Any clue?

Right now I am just trying your code as a PoC (Proof of Concept) in order the consider webRTC for a Video Conference application.

Thank you for your support.

[Dennis Mårtensson]

Hi,

You have to run npm install webrtc.io no big letters.

If you use the demo https://github.com/webRTC/webrtc.io-demo you can follow all the instruktions in the readme and do npm install and it will download the dependencies if you want to do the install manually you have do "npm install webrtc.io" "npm install express" "npm install ws"

But I do strongly recommend you to use the demo and follow the setup in the readme.

/Dennis 

[asmcos he]

hi Dennis:

I use browser ,chrome: Version 20.0.1115.1 dev.

access http://107.20.223.140/.

I can't display any camera? can't send any text message .

I can test other webrtc demo.

2012/8/17 Dennis Mårtensson <m...@dennis.is>

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[Dennis Mårtensson]

Hi

I do think that the chrome version 20 is a old version and think that you should updoate your browser and it should be working.

Thats about all I can say it works fin on all the computes that we have tested, Mac, Linux, Windows with the latest chrome or canary.

/Dennis

--
 
 
 

[Mauricio Porto]

Dennis,

Great!!!

It works fine now. I did not figured out regarding the change in the index.html file before. This is why it was not working.

Thank you a lot. I will keep you informed about my findings when testing it more.

Have a nice weekend.

[Dennis Mårtensson]

Hi,

Hoppe you will have a good time developing with webRTC.io

/Dennis

[Vikas]

Hi,

It looks like http://multiwebrtc.nodejitsu.com/ is using
Peerconnection00 api's. Please note starting M23 onwards chrome uses
RTCPeerConnection and the Peerconnection00 is moved behind a flag (--
enable-deprecated-peer-connection). Incase you ran this demo on a
later version of chrome you would need to run chrome with this flag --
enable-deprecated-peer-connection.

/Vikas

On Oct 29, 1:20 am, Vincent <vincesh...@gmail.com> wrote:
> Hi Dennis,
>
> First time to try this out , it seems pretty cool, but I got some problems.
> First, in the way trying the demo locally, after #node server.js, in the
> localhost:8000, I can only see a static page , without the "click allow to
> see your camera" tag showing up, and of coz cant see the video. Do you hv
> any idea what the problem might be?
> Second, I hvnt successfully connected to another video talk herehttp://multiwebrtc.nodejitsu.com/, even just creating a new tab, cant see
> two video in a conference room, only one local video.
>
> Your prompt response would be highly appreciated.
>
> Vincent
>
>
>
>
>
>
>
> On Tuesday, August 7, 2012 12:22:24 AM UTC+8, Dennis Mårtensson wrote:
>
> > Hi,
>
> > We have moved the code to one place on githubhttps://github.com/webRTC
>
> > Did anyone test to setup webRTC.io  and build some thing? We really like
> > to get some feedback!
>
> > Please if you test it out or cant get it to work contact me.
>
> > Thank you
>
> > /Dennis Mårtensson
>
> > Den fredagen den 3:e augusti 2012 kl. 16:52:00 UTC-4 skrev Dennis
> > Mårtensson:
>
> >> Hi,
>
> >> There have been some updates to the code today, We have updated the
> >> instructions on how to use it and fixed some bugs, We  would really like
> >> people to try to build a webRTC application with the library that we have
> >> created.
>
> >> If you are interested in trying it out, please go to
> >>https://github.com/cavedweller/webRTC.ioand follow the instructions.
>
> >> We'd like all the feedback we can get from you!
>
> >> We have a post up on hacker news too:
>
> >>http://news.ycombinator.com/item?id=4336081
>
> >> Den fredagen den 3:e augusti 2012 kl. 08:55:04 UTC-4 skrev Dennis
> >> Mårtensson:
>
> >>> Hi,
>
> >>> If no one is on the site or in the same room you will only see your
> >>> self, If this is the case you can open a new tab and go to the same
> >>> site/room or you have to ask some one to connect to the site/room.
>
> >>> /Dennis
>
> >>> Den torsdagen den 2:e augusti 2012 kl. 23:08:56 UTC-4 skrev Nguyễn Viên:
>
> >>>> hi all,
> >>>> It not work. Only the screen with my WCam, nobody connected.
> >>>> I am using Chrome canary v 22.xxx
> >>>> Help me plz!
> >>>> Thanks!
>
> >>>> Vào 01:54:09 UTC+7 Thứ tư, ngày 01 tháng tám năm 2012, Dennis
> >>>> Mårtensson đã viết:
>
> >>>>> Hey,
>
> >>>>> A couple friends and I built a multi-user webrtc demo, You can have a
> >>>>> look at the demo onhttp://multiwebrtc.nodejitsu.com/and if you want
> >>>>> to see the code for the site, you can find it here
> >>>>>https://github.com/dennismartensson/webrtc.io-demo
>
> >>>>> For the client:https://github.com/sarenji/webrtc.io-client
>
> >>>>> for the server:https://github.com/cavedweller/webRTC.io
>
> >>>>> let us know what you think,
>
> >>>>> Dennis

[Vincent]

Hi Vikas,

Thanks for ur reply. The version of my Chrome is 21.0.1163.0, within which the related flags hv been enabled.But still, I tried the demo, in localhost, no video showed up. Any thoughts?

Vincent

[Vincent]

Dennis,

I followed the instructions in README, while the server is running, I still can not see the video on the web client, localhost on Chrome was a static page, 'Allow/Deny' bar didnt pop up either. Thoughts?

Vincent

[Srikar]

Hi Vincent,

This had worked very smoothly on my setup with no changes at all weeks ago.

The fact that you do not get the "Video - Allow/Deny" prompt from the browser indicates "getUserMedia()" itself is not executed successfully. On the other hand you are able to see video on connecting to http://multiwebrtc.nodejitsu.com/, which means "getUserMedia" is working ok on your browser. Try checking for errors on JavaScript Console.

./Srikar

[Vincent]

Hi Srikar,

I just fetched the code from  https://github.com/webRTC/webrtc.io-demo , so I assume it's the latest. What do you mean by saying " checking for errors on JavaScript Console"?

Vincent

[Dennis Mårtensson]

Hi,

It is very hard for us to help you when you don't provide any debugging information. The we can only guess. If you can provide me with information from the javascript console. You find this by going to localhost in chrome and then right click on the page and selecting inspect elements and then console, When you have this up you refresh the page and see if you get any errors.

Provide some ecebuging information and I am happy to help

/Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--
 
 
 

[Vincent]

Hi Dennis,

Uncaught SyntaxError: Unexpected token . :8000/webrtc.io.js:1

1. Uncaught ReferenceError: rtc is not defined :8000/:157
1. init:8000/:157
2. onload:8000/:9

This is what I got from the console.

[Dennis Mårtensson]

Hi I think that your local server is not supplying the webrtc.io.js file to the browser. If you look inside the networks tab I think you will see that you have a failed request for the file webrtc.io.js 

You have to make sure that the server is supplying this file. I think that you might have the wrong express version installed. The demo do run on an old version. If you what to have the new version of express please modify the demo code and submit a pull request.

/Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--
 
 
 

[Vincent]

Dennis, 

I think you are right, the code for this demo is intact, and it came out with syntax error. Can you give me the version No. that you've successfully ran the demo locally? I think I will first try it out then dig into it to see what was wrong.

[Dennis Mårtensson]

Hi Vincent,

There is no problem running the demo that is on https://github.com/webRTC/webrtc.io-demo if you make sure to have it setup with the right dependencies. You can see what you need in the package.json file.

/Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--
 
 
 

[Vincent]

Dennis,

I followed the instructions in README to setup this demo, so I think it's not due to the dependencies. In the console, an syntax error keeps popping up when I refresh the page. Any thoughts?

===============================================================

 ../node_modules/webrtc.io/node_modules/webrtc.io-client/lib/webrtc.io.js 

[Dennis Mårtensson]

I think that you have a new version of express then the demo is built with

Sorry I have to work now and will have to answer you questions at a later point today

/Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--
 
 
 

[Vincent]

Okay, sorry to bother, I'll keep trying and will update you when i hv progress. Have a  good day.

[Dennis Mårtensson]

Please send questions my way and I give you an answer as fast as I have time.

/Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--
 
 
 

[aykut yaman]

Thanks for the great jop Dennis. Could I know why did you choice to leave out socket.io? What about if I want to use socket.io instead of ws? I already have an app with socket.io and I would like to use it's connection, not a new ws connection. Thanks

On Saturday, August 11, 2012 11:01:08 PM UTC+3, Dennis Mårtensson wrote:

Hi,

We have released a new version of webRTC.io, it no longer has a dependency on socket.io and now works over normal Websockets!

You find the code over at https://github.com/webRTC

and the demo http://bit.ly/webrtcio we have moved it to an ec2 instance. 

Please send us your feedback and questions

/Dennis

Hi Dennis,

Thank you, four your prompt response.

I am trying to use your demo code (labeled dennismartensson-webrtc.io-demo-6bfef44) . This is my first step. After that I will try with some small changes as a way to learn more about WebRTC.

Yes, I know that localhost is an alias to 127.0.01 and I need to use the IP address in the other machine. I did it. In fact I used the IP address (192.168.1.6) on both. Even this, it was not able to connect to each other.

I am using Google Chrome 21.xxx on both, and these are Linux boxes.

I do not know if I should change something in the code. The server.js refers to the port 8000 as I said and the reference to the port 80 is commented out. Is this port 8000 in anyway bound to another part of the WebRTC.io code?

Right now I am running it on this chrome browser (two tabs) and it works fine (using http://192.168.1.11:8000/#4). I mean, both tabs shows up the two camera frames.

However, when I try to open the same IP addres on the other machine, all I see is the local camera.

Any light?

Thank you again.

[Dennis Mårtensson]

We did not what to have a platform dependency to socket.io, If you like you can have a look at then client code and then the node server and create a fork that you the move to soccer.io. You can also find the old soccer.io code in the repository and take it out as a start.

Regards

Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--
 
 
 

[Dennis Mårtensson]

Hi, "rtc is not defined" is that you do not get the server to send the client the js correctly. Have you set the port and addresses up on the client and the server?

The problem on Linux is that you have not set up the Linux computers ssh key in github I think.

/Dennis

On Tuesday, December 4, 2012, Jan Ptak wrote:

Hi Dennis,

does this work on windows? I tried the demo on windows, but get this error "rtc is not defined ", so I copied the builder.js, io.js and webrtc.io.js (from webrtc.io-client-master) to the directory and now when I test it I get a Java script alert "could not connect stream".

Any suggestions?

I tried to install the demo on linux but it says "Permission denied (publickey)".

thanks

Jan

--
 
 
 

[Dennis Mårtensson]

Hi RK,

For same resone are you not serving the webrtc.io-client code to the browser. If you look in the network tab you will see that there is a erro (404) for getting the webrtc.io-client.js file.

You have to find out way this .js file is not sent to the client.

Regards

-Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

On Friday, December 7, 2012 at 16:58 , RamyaKant D wrote:

Hi dennis,

 I too keep getting 

Uncaught SyntaxError: Unexpected token . :8000/webrtc.io.js:1

Uncaught ReferenceError: rtc is not defined

1. :8000/:157
1. init:8000/:157
2. onload

. I have installed the dependencies as in 'package.json' . so not an 'express' version issue. Is there any other reason this might happen?

cheers,

RK

--
 
 
 

[Dennis Mårtensson]

Hi Jan,

Hi are you running the node server part of the demo? You will be able to open the .html document and get your own camera but you have to run the server to. The you also should make sure that you point the rtc.connect to your local server and run it on the port where you have the node server running. 

Regards

-Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

On Thursday, December 6, 2012 at 17:19 , Jan Ptak wrote:

Hi Dennis,

managed to to get to work the Demo so I can see my webcam in the browser, but when I connect from another tab I can only see the cam thatI allow to use but not the cam from the another tab.

I think when I test it, it runs two seperate entities and don't really connect to each other. Also when I type something in it's only seen in one tab.

My question is, is it enough to run only the demo or do I have to run something else (webRTC.io-master, webrtc.io-client-master or webrtc.io-go-master) too?

I will test the Linux setup tommorow I think. ;-)

bye Jan

--
 
 
 

[Dennis Mårtensson]

Have you made the rtc.connect to point to the server address? and are the correct ports allowed on the appfog.comm instans?

Regards

-Dennis

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

On Wednesday, January 23, 2013 at 14:59 , Adrien Catella wrote:

Hi Dennis,

I have installed everything and it works fine on localhost. 

But when I tried to use a server (appfog.com), I have the same problem than Shimi Carmeli (none log and I can see only my camera). Can you help me ?

Regards

Adrien

Le mardi 31 juillet 2012 20:54:09 UTC+2, Dennis Mårtensson a écrit :

Hey,

A couple friends and I built a multi-user webrtc demo, You can have a look at the demo on http://multiwebrtc.nodejitsu.com/ and if you want to see the code for the site, you can find it here https://github.com/dennismartensson/webrtc.io-demo

For the client: https://github.com/sarenji/webrtc.io-client

for the server: https://github.com/cavedweller/webRTC.io

let us know what you think,

Dennis

--
 
 
 

[Dennis Mårtensson]

okej, So appfog is the problem or your conf of appfog, But good that it works now

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

On Tuesday, January 29, 2013 at 18:14 , Adrien Catella wrote:

Hi Dennis,

I made all changes, but nothing works. I think appfog doesn't support websocket. I switch to nodejistu and it works fine !

Thanks Adrien

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[Vikas]

For a list of codecs in WebRTC you can refer to http://www.webrtc.org/faq.
In order to change codec you would need to change the outgoing offer
sdp especially the m-lines that contain information about codecs. You
would need to put the payload of the one you want to use at the top.

/Vikas

On Feb 3, 11:52 pm, Alexis Branger <xia...@gmail.com> wrote:
> Hi,
>
> First of all : Your API works very well :) ;
> I am trying to work on the Codecs inside your API, but i'm not finding
> where i can specify the audio/video codecs to use.
> Do you know which Codecs are used in webrtc.io and where can I specify a
> specific codec?
>
> Thank you for your help!

>
> Le mardi 31 juillet 2012 20:54:09 UTC+2, Dennis Mårtensson a écrit :
>
>
>
>
>
>
>
>
>
> > Hey,
>
> > A couple friends and I built a multi-user webrtc demo, You can have a look

> > at the demo onhttp://multiwebrtc.nodejitsu.com/and if you want to see

[Dennis Mårtensson]

Thank you Vikas,

Hopas that helps you Alexis,

If any one have any cool stuff built with webRTC.io please share the links!

Regards

-Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

[Alexis Branger]

Ok thank you. So, in the demo, can I do it in the webrtc.io client file?
I'll try to inspirate with the source code of https://apprtc.appspot.com.

Alexis

[Dennis Mårtensson]

I have ever done it but i think you should be able to.

/Dennis

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--

[Samuel Ames]

Hi Dennis,

Your demo is great. Please could you tell me how i can restrict the size of the streams using webrtc.io ?

thanks,

Sam

On Monday, 4 February 2013 07:52:24 UTC, Alexis Branger wrote:

Hi,

First of all : Your API works very well :) ;
I am trying to work on the Codecs inside your API, but i'm not finding where i can specify the audio/video codecs to use.
Do you know which Codecs are used in webrtc.io and where can I specify a specific codec?

Thank you for your help!

Le mardi 31 juillet 2012 20:54:09 UTC+2, Dennis Mårtensson a écrit :

Hey,

A couple friends and I built a multi-user webrtc demo, You can have a look at the demo on http://multiwebrtc.nodejitsu.com/ and if you want to see the code for the site, you can find it here https://github.com/dennismartensson/webrtc.io-demo

[Alexis Branger]

One more question : which Codec is used by default here?
Is it Opus for the audio and VP8 for the Video? I'd like to know.

Thank you to everyone.

[Alexis Branger]

@Samuel : I don't really know. Actually, i saw that it's adaptable... I think the video codec is VP8 and it's adaptable.

With the default config, you will see that it's working well from 240 kbps (Up & Down). If you're under that speed, the sound will be degraded..

[Warren McDonald]

Hi Dennis,

I have been using the webrtc.io-demo code on Chrome 24 quiet ahppily, but when I run on Chrome 25 or 26 I get a  

Uncaught TypeError: Type error at line 68 in webrtc.io.js

Code snippet

rtc._socket.onopen = function() {

rtc._socket.send(JSON.stringify({

Uncaught TypeError: Type error

"eventName": "join_room",

"data":{

"room": room

}

Do you have any idea what may be causing this in later Chrome. It may not be a bug 
, so I did not raise as one on the project. 

I am using a clone from github taken  just a few days ago.

 

Cheers,

Warren

[Dennis Mårtensson]

Hi Warren,

Thats not good. We need a fix for that. Are you using the demo code thats in the repository unmodified? 

Do you care to try to find it out and submit a pul request and I will be happy to merge it in.

Thank you for telling me if you don't find it I can have a look this weekend.

Regards 

-Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--

[Dennis Mårtensson]

Hi Jerzy,

I am planing on putting the demo up on a ec2 instans, but I have not hade the time yet. I will do it this weekend and share the new link.

Regards

Dennis Mårtensson

0768670934

m...@dennis.is

8 feb 2013 kl. 02:07 skrev Jerzy <jerzyg...@gmail.com>:

Your demo at http://multiwebrtc.nodejitsu.com/ is not available anymore (error 404). Could you please re-enable it?
WebRTC is on a roll now, so the demo is very useful. If Nodejitsu is too expensive, then maybe switch to the free AppFog or OpenShift?

[Alexis Branger]

Hey,

Is anybody who tried to make it compatible with Firefox Nightly (v21) ?

In a first time, i'm trying to solve it without interop between Chrome and Firefox (only calls from CHrome to Chrome and from Firefox to Firefox).

I'm trying to solve it with this note : http://www.webrtc.org/interop.

I implemented in webrtc.io-client the "mozRTCIceCandidate" part and the difference with the STUN... But i'm stuck : where can in put { 'mandatory': [{'DtlsSrtpKeyAgreement': 'true'}]} and {'mandatory': {'MozDontOfferDataChannel':true}} in the webrtc.io?

If anyone of you here have a suggestion thank you very much to help me :)

Have a nice day.

Le mardi 31 juillet 2012 20:54:09 UTC+2, Dennis Mårtensson a écrit :

[Dennis Mårtensson]

Hi All,

http://webrtc.dennis.is/

Some people have be asking for a demo page to come up again, I am sorry that we did not have a demo page for some time. I have now setup the demo page again and made some small changes to it. I will clean up the code and then submit it to the github repository. 

Do anyone have an idee of what should be added to the demo?

Regards

-Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

--

[Samuel Ames]

Hi all,

I have the following code:

navigator.getUserMedia({
		video: {
      mandatory: {
        maxWidth: 360
      }
    }
 }

Please can somebody tell me how to use it, to restrict the size of the streams with webrtc.io?

Is it possible?

[Harald Alvestrand]

You can see the result of imposing various constraints in whatever
version of Chrome you're using at this demo page:

https://webrtc-demos.appspot.com/html/constraints-and-stats.html

The constraints don't yet have the desired effect in all cases;
sometimes, an OS will return a video stream that doesn't fit the
parameters requested, even when the OS has an API to request a
specific size.

This is an area of ongoing research.

[Samuel Ames]

I did some basic testing on my machines yesterday and it seems to work in Canary.

Constraints don't allow you to specify the dimensions of the stream like I presumed they would, but they seem to allow you to choose between several inbuilt stream sizes (on my computer 320x240, 640x480, 1280x720 etc.)

The problem that I've got is that the Webrtc.io demo seems to use streams of 640x480 on my machines, making it "choke" after a few users and have cpu spikes to 100% with 4 users. I am thinking if we can limit the stream size on the multi user demo to 320x240 it will work much better as we won't get the 'choking' and 'spiking' so quickly.

So, is it possible to use these constraints in conjunction with WebRTC.io as it stands?

[Dennis Mårtensson]

To get that working you will have to learn about webRTC and do some programming. You can user the webRTC.io and look at the demo to get to know how to use webRTC.io and dont have to learn to much about webRTC

When you get started and have some more direct questions I be happy to help

Regards

-Dennis Mårtensson

Dennis Mårtensson
+46768670934

m...@dennis.is

QR code for reading contact data in to phone.

On Thursday, February 21, 2013 at 10:25 , Sumit Jain wrote:

Hi,

It sounds very good that we can do video/audio/text chat with the help of WEBRTC without any plugin.I am new in webRTC need to integrate video/audio/text chat in my application so please help me how can i achieve this.

Thanks,

Sumit Jain

On Wednesday, 1 August 2012 00:24:09 UTC+5:30, Dennis Mårtensson wrote:

Hey,

A couple friends and I built a multi-user webrtc demo, You can have a look at the demo on http://multiwebrtc.nodejitsu.com/ and if you want to see the code for the site, you can find it here https://github.com/dennismartensson/webrtc.io-demo

For the client: https://github.com/sarenji/webrtc.io-client

for the server: https://github.com/cavedweller/webRTC.io

let us know what you think,

Dennis